lib/common/printproto.c

	printproto.c revision ab25eeb551a4be927a4b6ae2cf8aff7ed17decb4
/*
 * Copyright (C) 1993-2005 by Darren Reed.
 *
 * See the IPFILTER.LICENCE file for details on licencing.
 */

#include "ipf.h"


#if !defined(lint)
static const char rcsid[] = "@(#)$Id: printproto.c,v 1.1.2.1 2005/06/12 07:21:53 darrenr Exp $";
#endif


void printproto(pr, p, np)
struct protoent *pr;
int p;
ipnat_t *np;
{
    if (np != NULL) {
        if ((np->in_flags & IPN_TCPUDP) == IPN_TCPUDP)
            printf("tcp/udp");
        else if (np->in_flags & IPN_TCP)
            printf("tcp");
        else if (np->in_flags & IPN_UDP)
            printf("udp");
        else if (np->in_flags & IPN_ICMPQUERY)
            printf("icmp");
#ifdef _AIX51
        /*
         * To make up for "ip = 252" and "hopopt = 0" in /etc/protocols
         */
        else if (np->in_p == 0)
            printf("ip");
#endif
        else if (pr != NULL)
            printf("%s", pr->p_name);
        else
            printf("%d", np->in_p);
    } else {
#ifdef _AIX51
        if (p == 0)
            printf("ip");
        else
#endif
        if (pr != NULL)
            printf("%s", pr->p_name);
        else
            printf("%d", p);
    }
}